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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Name of Issuer)

(Title of Class of Securities)

(CUSIP Number)

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

X0202 SCHEDULE 13D/A 0001096343 XXXXXXXX LIVE 5 Class A Common Stock, par value $0.0001 per share 04/13/2026 false 0001840776 405166109 Hagerty, Inc. 121 Drivers Edge Traverse City MI 49684 Richard R. Grinnan (804) 747-0136 Markel Group Inc. 4521 Highwoods Parkway Glen Allen VA 23060 0001096343 MARKEL GROUP INC. b WC VA 79380265 0 79380265 0 79380265 N 44.8 CO (1) The quantity reported in Row 7, Row 9, and Row 11 includes 75,000,000 shares of Class V Common Stock (as defined in the Original Schedule 13D) and an equal number of OpCo Units (as defined in the Original Schedule 13D), which are, together, exchangeable, at the option of the holder, on a one-for-one basis for a share of Class A Common Stock (as defined herein) or, if certain conditions set forth in the Amended and Restated Exchange Agreement (as defined in Amendment No. 1) are met, an equivalent value in cash at the option of the Company (as defined herein). (2) The quantity reported in Row 7, Row 9, and Row 11 includes 1,272,265 shares of Class A Common Stock that the Reporting Person has the right to acquire within 60 days as a result of the conversion mechanisms of the Series A Preferred Stock (as defined in Amendment No. 1), which are exchangeable, at the option of the Reporting Person, into shares of Class A Common Stock at the Conversion Rate (as defined in Amendment No. 1). (3) Percent of class represented by amount in Row 11 is based on the sum of (i) 101,066,533 shares of Class A Common Stock outstanding as of February 20, 2026, based on the Company's annual report on Form 10-K filed with the SEC (as defined in the Original Schedule 13D) on February 26, 2026; (ii) 75,000,000 shares of Class A Common Stock that could be issued upon conversion of Class V Common Stock and OpCo Units held by the Reporting Person; and (iii) 1,272,265 shares of Class A Common Stock that could be issued upon conversion of Series A Preferred Stock held by the Reporting Person, each of (ii) and (iii) of which have been added to the total shares of Class A Common Stock outstanding for purposes of calculating the Reporting Person's beneficial ownership percentage in accordance with Rule 13d-3(d)(1)(i) under the Act. Notwithstanding the percentage reported herein, based on the aggregate total of Class A Common Stock and Class V Common Stock outstanding, and the voting power assigned to each class, the Reporting Person controls approximately 29.9% of the voting power of the Company. Class A Common Stock, par value $0.0001 per share Hagerty, Inc. 121 Drivers Edge Traverse City MI 49684 Markel Group Inc. (f/k/a Markel Corporation), a Virginia corporation ("Markel Group" or the "Reporting Person") is hereby filing this Amendment No. 5 (this "Amendment No. 5") to the Schedule 13D filed by the Reporting Person on December 10, 2021 (the "Original Schedule 13D"), as amended by Amendment No. 1 filed by the Reporting Person on June 27, 2023 ("Amendment No. 1"), Amendment No. 2 filed by the Reporting Person on July 8, 2024 ("Amendment No. 2"), Amendment No. 3 filed by the Reporting Person on April 18, 2025 ("Amendment No. 3"), and Amendment No. 4 filed by the Reporting Person on November 5, 2025 ("Amendment No. 4" and collectively, the "Schedule 13D"), relating to the Class A Common Stock, par value $0.0001 per share (the "Class A Common Stock") of Hagerty, Inc., a Delaware corporation (the "Company"). Capitalized terms used in this Amendment No. 5 and not otherwise defined herein have the meanings set forth in the Schedule 13D. Except as specifically provided herein, this Amendment No. 5 does not modify any of the information previously reported in the Schedule 13D. (c) Item 2(c) of the Schedule 13D is hereby amended and supplemented as follows: The name, business address, present principal occupation or employment, and citizenship of each director and each executive officer of Markel Group, as well as the number of shares of Class A Common Stock beneficially owned by each person, as applicable, are set forth in Annex A hereto and are incorporated by reference herein. Item 4 of the Schedule 13D is hereby amended and supplemented as follows: On April 13, 2026, Michael R. Heaton, formerly the Executive Vice President and Chief Operating Officer of Markel Group, resigned as a director on the Company's board of directors (the "Board"), effective immediately. Following Mr. Heaton's resignation, Markel Group selected Henrik Bjornstad, a former employee of Markel Group, to replace Mr. Heaton as Markel Group's designee on the Board, and the Board appointed Mr. Bjornstad as a director on the Board, effective April 14, 2026. Item 5(a) of the Schedule 13D is hereby amended and supplemented as follows: As of the date of this Amendment No. 5, the Reporting Person may be deemed to be the beneficial owner of 79,380,265 shares of Class A Common Stock, or approximately 44.8% of the shares of Class A Common Stock outstanding. The Reporting Person's beneficial ownership is composed of (i) 75,000,000 shares of Class V Common Stock and an equal number of OpCo Units, which are, together, exchangeable, at the option of the holder, on a one-for-one basis for a share of Class A Common Stock or, if certain conditions set forth in the Amended and Restated Exchange Agreement are met, an equivalent value in cash at the option of the Company; (ii) 1,590,668 shares of Series A Preferred Stock, which are exchangeable, at the option of the Reporting Person, into 1,272,265 shares of Class A Common Stock at the Conversion Rate, which is subject to customary anti-dilution protections; and (iii) 3,108,000 shares of Class A Common Stock. Each share of Class V Common Stock has no incidents of economic ownership and has ten (10) votes per share until the earlier of (i) December 2, 2036, and (ii) transfer to a non-qualified transferee, after which it has one (1) vote per share. The Series A Preferred Stock votes together with the Class A Common Stock on an as-converted basis (one vote per share), and not as a separate class. The beneficial ownership percentage reported herein was calculated based on the sum of (i) 101,066,533 shares of Class A Common Stock outstanding as of February 20, 2026, based on the Company's annual report on Form 10-K filed with the SEC on February 26, 2026; (ii) 75,000,000 shares of Class A Common Stock that could be issued upon conversion of Class V Common Stock and OpCo Units held by the Reporting Person; and (iii) 1,272,265 shares of Class A Common Stock that could be issued upon conversion of Series A Preferred Stock held by the Reporting Person, each of (ii) and (iii) of which have been added to the total shares of Class A Common Stock outstanding for purposes of calculating the Reporting Person's beneficial ownership percentage in accordance with Rule 13d-3(d)(1)(i) under the Act. Notwithstanding the percentage reported herein, based on the aggregate total of Class A Common Stock and Class V Common Stock outstanding, and the voting power assigned to each class, the Reporting Person controls approximately 29.9% of the voting power of the Company. Item 6 of the Schedule 13D is hereby amended and supplemented as follows: The response to Item 4 of this Amendment No. 5 is incorporated by reference herein. Item 7 of the Schedule 13D is hereby amended and supplemented as follows: Exhibit 99.15: Annex A, dated April 15, 2026 MARKEL GROUP INC. /s/ Richard R. Grinnan Richard R. Grinnan, Senior Vice President, Chief Legal Officer and Secretary 04/15/2026